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12310223 is a prime number
BaseRepresentation
bin101110111101…
…011011001111
3212011102110012
4232331123033
511122411343
61115503435
7206430602
oct56753317
925142405
1012310223
116a48942
124157b7b
132720273
1418c6339
151132718
hexbbd6cf

12310223 has 2 divisors, whose sum is σ = 12310224. Its totient is φ = 12310222.

The previous prime is 12310219. The next prime is 12310229. The reversal of 12310223 is 32201321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32201321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12310223 - 22 = 12310219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12310198 and 12310207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155111 + 6155112.

It is an arithmetic number, because the mean of its divisors is an integer number (6155112).

Almost surely, 212310223 is an apocalyptic number.

12310223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310223 is an equidigital number, since it uses as much as digits as its factorization.

12310223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12310223 is about 3508.5927378366. The cubic root of 12310223 is about 230.8989582022.

Adding to 12310223 its reverse (32201321), we get a palindrome (44511544).

The spelling of 12310223 in words is "twelve million, three hundred ten thousand, two hundred twenty-three".